True that! On the other hand, historical epidemics were often spread by lice and fleas, which might have been less likely vectors if personal hygiene were better.
True that! On the other hand, historical epidemics were often spread by lice and fleas, which might have been less likely vectors if personal hygiene were better.
True that! On the other hand, historical epidemics were often spread by lice and fleas, which might have been less likely vectors if personal hygiene were better.